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* [TIPC]: Enhancements to msg_set_bits() routineAllan Stephens2007-04-26
| | | | | | | | | | | | | | | | | | This patch makes two enhancements to msg_set_bits(): 1) It now ignores any bits of the new field value that are not covered by the mask being used. (Previously, if the new value exceeded the size of the mask the extra bits could corrupt other fields in the message header word being updated.) 2) The code has been optimized to minimize the number of run-time endianness conversion operations by leveraging the fact that the mask (and, in some cases, the value as well) is constant and the necessary conversion can be performed by the compiler. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Jon Paul Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: cleanup extra semicolonsStephen Hemminger2007-04-26
| | | | | | | | | | | Spring cleaning time... There seems to be a lot of places in the network code that have extra bogus semicolons after conditionals. Most commonly is a bogus semicolon after: switch() { } Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce skb_copy_to_linear_data{_offset}Arnaldo Carvalho de Melo2007-04-26
| | | | | | | To clearly state the intent of copying to linear sk_buffs, _offset being a overly long variant but interesting for the sake of saving some bytes. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
* [NETLINK]: Introduce nlmsg_hdr() helperArnaldo Carvalho de Melo2007-04-26
| | | | | | | | | For the common "(struct nlmsghdr *)skb->data" sequence, so that we reduce the number of direct accesses to skb->data and for consistency with all the other cast skb member helpers. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Convert skb->tail to sk_buff_data_tArnaldo Carvalho de Melo2007-04-26
| | | | | | | | | | | | | | | So that it is also an offset from skb->head, reduces its size from 8 to 4 bytes on 64bit architectures, allowing us to combine the 4 bytes hole left by the layer headers conversion, reducing struct sk_buff size to 256 bytes, i.e. 4 64byte cachelines, and since the sk_buff slab cache is SLAB_HWCACHE_ALIGN... :-) Many calculations that previously required that skb->{transport,network, mac}_header be first converted to a pointer now can be done directly, being meaningful as offsets or pointers. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce skb_reset_network_header(skb)Arnaldo Carvalho de Melo2007-04-26
| | | | | | | | | | | | For the common, open coded 'skb->nh.raw = skb->data' operation, so that we can later turn skb->nh.raw into a offset, reducing the size of struct sk_buff in 64bit land while possibly keeping it as a pointer on 32bit. This one touches just the most simple case, next will handle the slightly more "complex" cases. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce skb_mac_header()Arnaldo Carvalho de Melo2007-04-26
| | | | | | | | | | | | For the places where we need a pointer to the mac header, it is still legal to touch skb->mac.raw directly if just adding to, subtracting from or setting it to another layer header. This one also converts some more cases to skb_reset_mac_header() that my regex missed as it had no spaces before nor after '=', ugh. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] TIPC: Use htons() where appropriate.YOSHIFUJI Hideaki2007-04-26
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] TIPC: Fix whitespace errors.YOSHIFUJI Hideaki2007-02-11
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] getting rid of all casts of k[cmz]alloc() callsRobert P. J. Day2006-12-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Run this: #!/bin/sh for f in $(grep -Erl "\([^\)]*\) *k[cmz]alloc" *) ; do echo "De-casting $f..." perl -pi -e "s/ ?= ?\([^\)]*\) *(k[cmz]alloc) *\(/ = \1\(/" $f done And then go through and reinstate those cases where code is casting pointers to non-pointers. And then drop a few hunks which conflicted with outstanding work. Cc: Russell King <rmk@arm.linux.org.uk>, Ian Molton <spyro@f2s.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Dike <jdike@addtoit.com> Cc: Greg KH <greg@kroah.com> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: Paul Fulghum <paulkf@microgate.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Karsten Keil <kkeil@suse.de> Cc: Mauro Carvalho Chehab <mchehab@infradead.org> Cc: Jeff Garzik <jeff@garzik.org> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Ian Kent <raven@themaw.net> Cc: Steven French <sfrench@us.ibm.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Neil Brown <neilb@cse.unsw.edu.au> Cc: Jaroslav Kysela <perex@suse.cz> Cc: Takashi Iwai <tiwai@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] slab: remove kmem_cache_tChristoph Lameter2006-12-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace all uses of kmem_cache_t with struct kmem_cache. The patch was generated using the following script: #!/bin/sh # # Replace one string by another in all the kernel sources. # set -e for file in `find * -name "*.c" -o -name "*.h"|xargs grep -l $1`; do quilt add $file sed -e "1,\$s/$1/$2/g" $file >/tmp/$$ mv /tmp/$$ $file quilt refresh done The script was run like this sh replace kmem_cache_t "struct kmem_cache" Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [TIPC]: Use kzalloc where appropriateArnaldo Carvalho de Melo2006-12-03
| | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [TIPC]: endianness annotationsAl Viro2006-12-03
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC] net/tipc/port.c: fix NULL dereferenceAdrian Bunk2006-11-01
| | | | | | | | | The correct order is: NULL check before dereference Spotted by the Coverity checker. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Updated TIPC version number to 1.6.2Allan Stephens2006-10-18
| | | | | | Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Unrecognized configuration command now returns error messageAllan Stephens2006-10-18
| | | | | | | | | | This patch causes TIPC to return an error message when it receives an unrecognized configuration command. (Previously, the sender received no feedback.) Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Added subscription cancellation capabilityLijun Chen2006-10-18
| | | | | | | | | | | This patch allows a TIPC application to cancel an existing topology service subscription by re-requesting the subscription with the TIPC_SUB_CANCEL filter bit set. (All other bits of the cancel request must match the original subscription request.) Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Can now list multicast link on an isolated network nodeAllan Stephens2006-10-18
| | | | | | | | | | This patch fixes a minor bug that prevents "tipc-config -l" from displaying the multicast link if a TIPC node has never successfully established at least one unicast link. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Fixed slow link reactivation when link tolerance is largeAllan Stephens2006-10-18
| | | | | | | | | | | | | This patch corrects an issue wherein a previouly failed node could not reestablish a links to a non-failing node in the TIPC network until the latter node detected the link failure itself (which might be configured to take up to 30 seconds). The non-failing node now responds to link setup requests from a previously failed node in at most 1 second, allowing it to detect the link failure more quickly. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Name publication events now delivered in chronological orderAllan Stephens2006-10-18
| | | | | | | | | | This patch tivially re-orders the entries in TIPC's list of local publications so that applications will receive publication events in the order they were published. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Add support for Ethernet VLANsAllan Stephens2006-10-18
| | | | | | | | This patch enhances TIPC's Ethernet support to include VLAN interfaces. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Remove code bloat introduced by print buffer reworkAllan Stephens2006-10-18
| | | | | | | | | | This patch allows the compiler to optimize out any code that tries to send debugging output to the null print buffer (TIPC_NULL), a capability that was unintentionally broken during the recent print buffer rework. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Optimize wakeup logic when socket has no waiting processesAllan Stephens2006-10-18
| | | | | | | | | This patch adds a simple test so TIPC doesn't try waking up processes waiting on a socket if there are none waiting. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Added duplicate node address detection capabilityAllan Stephens2006-10-18
| | | | | | | | | | TIPC now rejects and logs link setup requests from node <Z.C.N> if the receiving node already has a functional link to that node on the associated interface, or if the requestor is using the same <Z.C.N> as the receiver. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Stream socket can now send > 66000 bytes at a timeAllan Stephens2006-10-18
| | | | | | | | | | | The stream socket send code was not initializing some required fields of the temporary msghdr structure it was utilizing; this is now fixed. A check has also been added to detect if a user illegally specifies a destination address when sending on an established stream connection. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Debug print buffer enhancements and fixesAllan Stephens2006-10-18
| | | | | | | | | | | | | This change modifies TIPC's print buffer code as follows: 1) Now supports small print buffers (min. size reduced from 512 bytes to 64) 2) Now uses TIPC_NULL print buffer structure to indicate null device instead of NULL pointer (this simplified error handling) 3) Fixed misuse of console buffer structure by tipc_dump() 4) Added and corrected comments in various places Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Add missing unlock in port timeout code.Allan Stephens2006-10-18
| | | | | | Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] tipc __user annotationsAl Viro2006-10-10
| | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [TIPC]: fix printk warningJeff Garzik2006-10-04
| | | | | | | | | | | | | | | | | | gcc spits out this warning: net/tipc/link.c: In function ‘link_retransmit_failure’: net/tipc/link.c:1669: warning: cast from pointer to integer of different size More than a little bit ugly, storing integers in void*, but at least the code is correct, unlike some of the more crufty Linux kernel code found elsewhere. Rather than having two casts to massage the value into u32, it's easier just to have a single cast and use "%lu", since it's just a printk. Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Removing useless castsPanagiotis Issaris2006-07-21
| | | | | | | Removing useless casts Signed-off-by: Panagiotis Issaris <takis@issaris.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Conversions from kmalloc+memset to k(z|c)alloc.Panagiotis Issaris2006-07-21
| | | | | | Signed-off-by: Panagiotis Issaris <takis@issaris.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC] Fixed sk_buff panic caused by tipc_link_bundle_buf (REVISED)Allan Stephens2006-07-03
| | | | | | | | | | | | The recent change to direct inspection of bundle buffer tailroom did not account for the possiblity of unrequested tailroom added by skb_alloc(), thereby allowing a bundle to be created that exceeds the current link MTU. An additional check now ensures that bundling works correctly no matter if the bundle buffer is smaller, larger, or equal to the link MTU. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Initial activation message now includes TIPC version numberAllan Stephens2006-06-29
| | | | | | Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Improve response to requests for node/link informationAllan Stephens2006-06-29
| | | | | | | | | | Now allocates reply space for "get links" request based on number of actual links, not number of potential links. Also, limits reply to "get links" and "get nodes" requests to 32KB to match capabilities of tipc-config utility that issued request. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com>
* [TIPC]: Fixed skb_under_panic caused by tipc_link_bundle_bufAllan Stephens2006-06-29
| | | | | | | | | | | Now determines tailroom of bundle buffer by directly inspection of buffer. Previously, buffer was assumed to have a max capacity equal to the link MTU, but the addition of link MTU negotiation means that the link MTU can increase after the bundle buffer is allocated. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] spin/rwlock init cleanupsIngo Molnar2006-06-27
| | | | | | | | | | | | | | | | | | | | | locking init cleanups: - convert " = SPIN_LOCK_UNLOCKED" to spin_lock_init() or DEFINE_SPINLOCK() - convert rwlocks in a similar manner this patch was generated automatically. Motivation: - cleanliness - lockdep needs control of lock initialization, which the open-coded variants do not give - it's also useful for -rt and for lock debugging in general Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [TIPC]: Fix incorrect correction to discovery timer frequency computation.Allan Stephens2006-06-26
| | | | | | Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Get rid of dynamically allocated arrays in broadcast code.Allan Stephens2006-06-26
| | | | | | | | | | | This change improves an earlier change which replaced the large local variable arrays used during broadcasting with dynamically allocated arrays. The temporary arrays are now incoprorated into the multicast link data structure. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Fixed link switchover bugsAllan Stephens2006-06-26
| | | | | | | | | | | Incorporates several related fixes: - switchover now occurs when switching from an active link to a standby link - failure of a standby link no longer initiates switchover - links now display correct # of received packtes following reactivation Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Enhanced & cleaned up system messages; fixed 2 obscure memory leaks.Allan Stephens2006-06-26
| | | | | | Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: First phase of assert() cleanupAllan Stephens2006-06-26
| | | | | | | | | | This also contains enhancements to simplify comparisons in name table publication removal algorithm and to simplify name table sanity checking when shutting down TIPC. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Disallow config operations that aren't supported in certain modes.Allan Stephens2006-06-26
| | | | | | | | | | | | This change provides user-friendly feedback when TIPC is unable to perform certain configuration operations that don't work properly in certain modes. (In particular, any reconfiguration request that would temporarily take TIPC from network mode to standalone mode, or from standalone mode to not running mode, is disallowed.) Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Fixed memory leak in tipc_link_send() when destination is unreachableAllan Stephens2006-06-26
| | | | | | Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Added missing warning for out-of-memory conditionAllan Stephens2006-06-26
| | | | | | Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Withdrawing all names from nameless port now returns success, not errorAllan Stephens2006-06-26
| | | | | | Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Optimized argument validation done by connect().Allan Stephens2006-06-26
| | | | | | Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Simplify code for returning partial success of stream send request.Allan Stephens2006-06-26
| | | | | | Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: recvmsg() now returns TIPC ancillary data using correct level (SOL_TIPC)Allan Stephens2006-06-26
| | | | | | Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Improved performance of error checking during socket creation.Allan Stephens2006-06-26
| | | | | | Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TIPC]: Stream socket send indicates partial success if data partially sent.Allan Stephens2006-06-26
| | | | | | Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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